Can neon tetras and guppies live together?
✓
Yes
Neon tetra and guppy share water conditions and temperament, so they can live together in a tank of at least 10 gallons.
Temperature °F
Neon tetra
70–81
Guppy
72–82
Both
72–81
pH
Neon tetra
6–7.5
Guppy
6.8–8
Both
6.8–7.5
10 galsmallest tank for both
6 + 3minimum group of each
1.5″ / 2″adult size
Why
- ✓Both are comfortable at 72–81°F.
- ✓Both do well at pH 6.8–7.5.
Verdicts come from TankCoach's own species data and the same rules as the stocking calculator. Individual fish vary; watch new tankmates closely for the first days.
About these fish: Neon tetra · Guppy